Mechanism for adjusting the platforms of harvesters



(No Model.)

G. H. SPAULDING.

MECHANISM FOR ADJUSTING THE PLATFORMS 0P HARVESTERS. No. 325,367. Patented Sept. 1, 1885.

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UNITED STATES GEORGE H. SPAULDING,

PATENT omen OF CHICAGO, ILLINOIS.

MECHANISM FOR ADJUSTING THE. PLATFORMS OF HARVESTERS.

SPECIFICATION forming part of Letters Patent No. 325,367, dated September 1, 1885.

N0 model.)

2'0 mil w/w'nt t't may concern.-

- Be it known that I, GEORGE H. SPAULDING, of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Mechanism for Adjusting the Platforms of Harvesters, of which the following is a full description, reference being had to the accompanying drawings, in which- Figure l is a perspective view of the main frame-work of a reaper and the supportingwheels of the same. Fig. 2 is an end view of the raising and lowering device. Fig. 3 is a front transverse sectional view of the same.

A is the master-wheel. Shown only in dotted lines.) B is the graiuwheel. C is the main frame surrounding the wheel. D is the tongue; E, the finger-bar. F is asleeve, which is part of and projects upward from the main frame upon the grain side of the master wheel. G is the bearing for the master-wheel axle.

Footed in the stubble end of the finger-bar is the cylindrical post H, adapted to slide upward and downward through the sleeve F.

Mounted upon the top of the post H is the casting K, having the quadrant I and the sleeve J.

L is a brace, its foot secured to the fingerhar, and its top rounded so as to pass through the sleeve J and receive thenut j, which secures it firmly to the sleeve. The outer surface of the sleeve is smoothed, and on it is mounted the sleeve M, adapted to turn freely, and having the cam N and the quadrant-sheave O. The cam and sheave are rocked on their common support, the sleeve J by means of the hand-lever R, having the pawl 1, adapted to engage the quad rant I and retain the sheave and cam in any place to which they may be adjusted by the lever.

Immediatelybeneat-h thesupporting-sleeveJ is the roller Q, free to revolve on a. stout stud projecting from the main frame. The position of the roller is such that the cam, when moved, v

1 for the purpose set forth.

may track on it.

The post H being free to slide inthe sleeve F of the main frame, the finger-bar will fall until the cam reaches the roller Q5. Upon this it always rests. The face of the cam is scrollshaped, except at its ends, where thrown outward to form a breast, the striking of which against the roller limits the movement of the cam in either direction. The lever B- is within easy reach of the attendant when in his seat. (Not shown.) As thelever is moved backward, the scroll-shaped face of the cam rides upon the roller Q, and the finger-bar is thus raised. A reverse movement of the lever permits it to fall.

The grain end of the machine is provided with the usual divider, provided with the bracket 0, in which is free to slide the grainwheel support 13.

Secured t0 the end of the cutter-bar, at the base of the bracket 0', is the sheave e. Secured to the lowerextremity of the support B is the chain p, which passes downward a quarter round the sheave and along beneath the cutter-bar. Secured to the quadrant-sheave O is the chain P. Connecting the chains P and 1) is the rod 1).

The operation of the lever B in raising and lowering the grain end of the machine at the same time winds the chain 1? upon the quadrant sheave O. This movement draws the support B downward in bracket 0', and hence, the wheel B resting on the ground, the finger-bar is raised at its outer end simultaneously with the elevation of the inner end.

\Vhat I claim is l. The finget bar, the cam N, mounted upon suitable supports, connected to the said fingerbar and adapted to rise and fall therewith, and the main frame provided with the roller Q, all combined substantially as described.

2. The main frame suitably supported on the master-wheel, and having the roller Q, the grain-wheel suitably supported on the support B, and the finger-bar adapted to rise and fall in relation to the said supportingwheels, in combination with the cam N, quadrant-sheave O, and chains P, p, and p, substantially as and GEORGE'QH. SPAULDIN G. Witnesses:

J GEN 13. Krtsraur, A. I'IART. 

